1: shopping or work fashion casual shoulder bag, the liner can be removed, it becomes to put clothes casual shoulder bag, the camera issued anti-theft feature. 2: The new upgraded suspension breathable carrying system, carrying the new cooling system design, force uniform, long bear also not too tired, carrying system and integrated rucksack, backpack more comfortable, close to the body, rapid cooling, not will sweat, the center of gravity is more stable, which makes your activities more flexible, easier to master balance.